GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: When raising the vehicle, support the vehicle by the frame, allowing the suspension to fully extend (unloaded).


    Object Number: 181234  Size: MH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the rear axle (2) with an adjustable lifting device.
  3. Remove the lower shock absorber nuts from the rear axle.
  4. Notice: Do not suspend rear axle by brake hoses. Damage to hoses could result.

  5. Lower the rear axle (2).
  6. Remove the insulator (3). Refer to Coil Spring Insulators Replacement.
  7. Remove the spring seat (4).
  8. Remove the rear spring (1).

Installation Procedure

  1. Position the insulator (3) to the spring seat (4).

  2. Object Number: 181234  Size: MH

    Important: The lower end of the rear spring should be facing forward.

    Do not chip or damage the corrosion protection coating on the rear spring. Avoid contact with hard steel. If the coating is chipped or damaged, replace the rear spring.

  3. Install the rear spring (1) to the rear axle (2).
  4. Install the insulator (3) to the rear spring (1).
  5. Raise the rear axle (2).
  6. Install the lower shock absorber nuts to the rear axle.
  7. Remove the adjustable rear axle support.
  8. Lower the vehicle.